package com.hexuan.mapper;

import com.hexuan.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {

    /**
     * 查询总记录数
     * @return
     */
//    @Select("select count(*) from emp;")
//    public Long count();

    /**
     * 分页查询
     *
     * @param start
     * @param pageSize
     * @return
     */
//    @Select("select * from emp limit #{start},#{pageSize}")
//    public List<Emp> page(Integer start , Integer pageSize);
    public List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);

    /**
     * 批量删除
     *
     * @param ids
     */
    void delete(List<Integer> ids);

    @Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
            "VALUES (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    @Select("select * from emp where id = #{id};")
    Emp getById(Integer id);

    void update(Emp emp);

    @Delete("delete from emp where dept_id = #{deptId};")
    void deleteByDeptId(Integer deptId);

    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);
}
